Adds support for the defined EDMA, generic DMA controller, and
DMA request bindings for mmc and spi.
Signed-off-by: Matt Porter <mporter@xxxxxx>
---
arch/arm/boot/dts/am33xx.dtsi | 46 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index e8033eb..c14a61d 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -86,6 +86,36 @@
reg = <0x48200000 0x1000>;
};
+ edma: edma@49000000 {
+ compatible = "ti,edma3";
+ ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2";
+ reg = <0x49000000 0x10000>;
+ interrupt-parent = <&intc>;
+ interrupts = <12 13 14>;
+ #dma-cells = <1>;
+ dma-channels = <64>;
+ ti,edma-regions = <4>;
+ ti,edma-slots = <256>;
+ ti,edma-reserved-channels = <0 2
+ 14 2
+ 26 6
+ 48 4
+ 56 8>;
+ ti,edma-reserved-slots = <0 2
+ 14 2
+ 26 6
+ 48 4
+ 56 8
+ 64 127>;
+ ti,edma-queue-tc-map = <0 0
+ 1 1
+ 2 2>;
+ ti,edma-queue-priority-map = <0 0
+ 1 1
+ 2 2>;
+ ti,edma-default-queue = <0>;
+ };
+
gpio0: gpio@44e07000 {
compatible = "ti,omap4-gpio";
ti,hwmods = "gpio1";
@@ -290,6 +320,9 @@
ti,hwmods = "mmc1";
ti,dual-volt;
ti,needs-special-reset;
+ dmas = <&edma 24
+ &edma 25>;
+ dma-names = "tx", "rx";
};
mmc2: mmc@481D8000 {
@@ -297,6 +330,9 @@
ti,hwmods = "mmc2";
ti,needs-special-reset;
status = "disabled";
+ dmas = <&edma 2
+ &edma 3>;
+ dma-names = "tx", "rx";
};
mmc3: mmc@47810000 {
@@ -339,6 +375,11 @@
reg = <0x48030000 0x400>;
interrupt-parent = <&intc>;
interrupt = <65>;
+ dmas = <&edma 16
+ &edma 17
+ &edma 18
+ &edma 19>;
+ dma-names = "tx0", "rx0", "tx1", "rx1";
ti,spi-num-cs = <2>;
ti,hwmods = "spi0";
status = "disabled";
@@ -351,6 +392,11 @@
reg = <0x481a0000 0x400>;
interrupt-parent = <&intc>;
interrupt = <125>;
+ dmas = <&edma 42
+ &edma 43
+ &edma 44
+ &edma 45>;
+ dma-names = "tx0", "rx0", "tx1", "rx1";
ti,spi-num-cs = <2>;
ti,hwmods = "spi1";
status = "disabled";
--
1.7.9.5
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